deps: bump com.github.spotbugs from 6.0.14 to 6.0.15 (#155)

Bumps com.github.spotbugs from 6.0.14 to 6.0.15.

---
updated-dependencies:
- dependency-name: com.github.spotbugs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -3,7 +3,7 @@ import java.text.SimpleDateFormat
 
 plugins {
     id 'checkstyle'
-    id "com.github.spotbugs" version "6.0.14"
+    id "com.github.spotbugs" version "6.0.15"
     id 'io.github.goooler.shadow' version '8.1.7'
     id 'java'
 }